kwired
Electron manager
- Location
- NE Nebraska
Ampacity/derating no, fill - there is fill tables for each different tubular raceway type in chapter 9. Back before ~1996 or maybe 1999 NEC they did just have one chart for all types except Sch 80 PVC, you did have to get the CSA off the conduit itself - it was marked, most still is I think.I don't believe there is any difference.
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